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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 833 (STATIONARY WINDOW SYSTEM)REPAIR INSTRUCTIONSWINDSHIELD UPPER REVEAL MOLDING REPLACEMENTINSTALLATION PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clean the top edge of the windshield surface with a 50/50 mixture of isopropyl alcohol and water by volume on a dampened lint - free cloth.
  2. The new reveal molding should be fitted to the windshield prior to installation.
    CAUTION: Refer to WINDOW RETENTION CAUTION in Cautions and Notices.
  3. Verify all primers and urethane adhesive are within expiration dates.
    Fig 1: Applying Glass Primer
    G01458511Courtesy of GENERAL MOTORS CORP.

    Important:  Use care when applying the prep (clear #1) to the windshield. This primer dries almost instantly, and may stain the viewing area of the windshield if not applied evenly.

  4. Use a new dauber in order to apply glass prep (clear # 1) to the channel area approximately 13 mm (1/2 in) to the upper edge of the windshield.
  5. Wipe the glass primed area immediately with a clean lint-free cloth.
  6. Shake the glass primer (black #2) for at least one minute.

    Using a new dauber in order to apply glass primer (black #2) to the top edge of the windshield.

  7. Apply a small bead of urethane adhesive (2) between the windshield (1) and the pinchweld.
    Fig 2: Applying Urethane Adhesive Between Windshield And Pinchweld
    G01458512Courtesy of GENERAL MOTORS CORP.
  8. Install the upper reveal molding.
    1. 8.1. Start from the center and hand-press the reveal molding into place over the edge of the windshield.
    2. 8.2. Install both right and left sides of the reveal molding. Refer to WINDSHIELD SIDE REVEAL MOLDING REPLACEMENT  .
    3. 8.3. Run warm water over the reveal molding in order to speed the setup time of the urethane adhesive.

    Tape should be applied in order to retain the reveal molding to the windshield, this will maintain a flush fit with the body.

    The tape is to be removed after 6 hours.

    Fig 3: Installing Upper Reveal Molding
    G01458513Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.